ENVE Composites G Series Dropper Seatpost - 27.2 40mmENVE Composites G Series Dropper Seatpost 27. 2 40mm. Built for the lightweight modern gravel bike the G Series Dropper Seatpost features 40mm of drop to deliver the confidence that a lower center of gravity provides on descents of any kind. The inverted design sheds mud and allows for your excess length to be trimmed off for additional weight savings. Lower to the ground gets you closer to gravel nirvana. Mechanically actuated 40mm of drop Compatible